Our Core Bits are thin wall drilling tool with a hole through the center that let water feeds into and removes sediment stone chips and allows the Core pedestal to pass through the Bit and into the Core barrel.

Our Drill Bits, used with high quality diamond and strong bond, sintered into a mould, are Laser welded. They are high diamond concentration provide aggressive cutting action, excellent for drilling marble and granite with high performance and durable life. They are designed with 5/8"-11 or M14 or M10 female thread and attached with a composite elasticity gasket so they can be mounted to any angle grinder and work on stone with vibration-proof.

We offer many adapters. Adapter unit screws into a Drill Bit to affect operative compatibility between different machines.